Rename GUC force_parallel_mode to debug_parallel_query

When Who What
2023-02-16 00:29:15 David Rowley (davidrowley) Closed in commitfest 2023-03 with status: Committed
2023-02-16 00:29:15 David Rowley (davidrowley) Changed committer to davidrowley
2023-02-08 20:38:30 David Rowley (davidrowley) Changed authors to David Rowley (davidrowley)
2023-02-08 20:38:30 David Rowley (davidrowley) Changed targetversion to 16
2023-02-08 20:38:11 David Rowley (davidrowley) Attached mail thread CAApHDvrsOi92_uA7PEaHZMH-S4Xv+MGhQWA+GrP8b1kjpS1HjQ@mail.gmail.com
2023-02-08 20:38:11 David Rowley (davidrowley) Created patch record